978-07-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 978-07-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,7 and 8 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 978-07:
(5*9)+(4*7)+(3*8)+(2*0)+(1*7)=104
104 % 10 = 4
So 978-07-4 is a valid CAS Registry Number.